Get Conversations

# -*- coding: utf-8 -*-
import vk_api
from vk_api.bot_longpoll import VkBotLongPoll, VkBotEventType

vk_session = vk_api.VkApi(token='сюда токен')
call = vk_session.get_api()
group_id = call.groups.getById()[0]['id']

def function(number=0):
    response = call.messages.getConversations(filter='all', count=200, offset=number)
    for i in response['items']:
        print(i['conversation']['peer']['id'])
    if len(response['items']) == 200:
        number += 200
        function(number)

function()